shell bypass 403
<?php
/**
* Add Site Administration Screen
*
* @package WordPress
* @subpackage Multisite
* @since 3.1.0
*/
/** Load WordPress Administration Bootstrap */
require_once __DIR__ . '/admin.php';
/** WordPress Translation Installation API */
require_once ABSPATH . 'wp-admin/includes/translation-install.php';
if ( ! current_user_can( 'create_sites' ) ) {
wp_die( __( 'Sorry, you are not allowed to add sites to this network.' ) );
}
get_current_screen()->add_help_tab(
array(
'id' => 'overview',
'title' => __( 'Overview' ),
'content' =>
'<p>' . __( 'This screen is for Super Admins to add new sites to the network. This is not affected by the registration settings.' ) . '</p>' .
'<p>' . __( 'If the admin email for the new site does not exist in the database, a new user will also be created.' ) . '</p>',
)
);
get_current_screen()->set_help_sidebar(
'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
'<p>' . __( '<a href="https://developer.wordpress.org/advanced-administration/multisite/admin/#network-admin-sites-screen">Documentation on Site Management</a>' ) . '</p>' .
'<p>' . __( '<a href="https://wordpress.org/support/forum/multisite/">Support forums</a>' ) . '</p>'
);
if ( isset( $_REQUEST['action'] ) && 'add-site' === $_REQUEST['action'] ) {
check_admin_referer( 'add-blog', '_wpnonce_add-blog' );
if ( ! is_array( $_POST['blog'] ) ) {
wp_die( __( 'Cannot create an empty site.' ) );
}
$blog = $_POST['blog'];
$domain = '';
$blog['domain'] = trim( $blog['domain'] );
if ( preg_match( '|^([a-zA-Z0-9-])+$|', $blog['domain'] ) ) {
$domain = strtolower( $blog['domain'] );
}
// If not a subdomain installation, make sure the domain isn't a reserved word.
if ( ! is_subdomain_install() ) {
$subdirectory_reserved_names = get_subdirectory_reserved_names();
if ( in_array( $domain, $subdirectory_reserved_names, true ) ) {
wp_die(
sprintf(
/* translators: %s: Reserved names list. */
__( 'The following words are reserved for use by WordPress functions and cannot be used as site names: %s' ),
'<code>' . implode( '</code>, <code>', $subdirectory_reserved_names ) . '</code>'
)
);
}
}
$title = $blog['title'];
$meta = array(
'public' => 1,
);
// Handle translation installation for the new site.
if ( isset( $_POST['WPLANG'] ) ) {
if ( '' === $_POST['WPLANG'] ) {
$meta['WPLANG'] = ''; // en_US
} elseif ( in_array( $_POST['WPLANG'], get_available_languages(), true ) ) {
$meta['WPLANG'] = $_POST['WPLANG'];
} elseif ( current_user_can( 'install_languages' ) && wp_can_install_language_pack() ) {
$language = wp_download_language_pack( wp_unslash( $_POST['WPLANG'] ) );
if ( $language ) {
$meta['WPLANG'] = $language;
}
}
}
if ( empty( $title ) ) {
wp_die( __( 'Missing site title.' ) );
}
if ( empty( $domain ) ) {
wp_die( __( 'Missing or invalid site address.' ) );
}
if ( isset( $blog['email'] ) && '' === trim( $blog['email'] ) ) {
wp_die( __( 'Missing email address.' ) );
}
$email = sanitize_email( $blog['email'] );
if ( ! is_email( $email ) ) {
wp_die( __( 'Invalid email address.' ) );
}
if ( is_subdomain_install() ) {
$newdomain = $domain . '.' . preg_replace( '|^www\.|', '', get_network()->domain );
$path = get_network()->path;
} else {
$newdomain = get_network()->domain;
$path = get_network()->path . $domain . '/';
}
$password = 'N/A';
$user_id = email_exists( $email );
if ( ! $user_id ) { // Create a new user with a random password.
/**
* Fires immediately before a new user is created via the network site-new.php page.
*
* @since 4.5.0
*
* @param string $email Email of the non-existent user.
*/
do_action( 'pre_network_site_new_created_user', $email );
$user_id = username_exists( $domain );
if ( $user_id ) {
wp_die( __( 'The domain or path entered conflicts with an existing username.' ) );
}
$password = wp_generate_password( 12, false );
$user_id = wpmu_create_user( $domain, $password, $email );
if ( false === $user_id ) {
wp_die( __( 'There was an error creating the user.' ) );
}
/**
* Fires after a new user has been created via the network site-new.php page.
*
* @since 4.4.0
*
* @param int $user_id ID of the newly created user.
*/
do_action( 'network_site_new_created_user', $user_id );
}
$wpdb->hide_errors();
$id = wpmu_create_blog( $newdomain, $path, $title, $user_id, $meta, get_current_network_id() );
$wpdb->show_errors();
if ( ! is_wp_error( $id ) ) {
if ( ! is_super_admin( $user_id ) && ! get_user_option( 'primary_blog', $user_id ) ) {
update_user_option( $user_id, 'primary_blog', $id, true );
}
wpmu_new_site_admin_notification( $id, $user_id );
wpmu_welcome_notification( $id, $user_id, $password, $title, array( 'public' => 1 ) );
wp_redirect(
add_query_arg(
array(
'update' => 'added',
'id' => $id,
),
'site-new.php'
)
);
exit;
} else {
wp_die( $id->get_error_message() );
}
}
if ( isset( $_GET['update'] ) ) {
$messages = array();
if ( 'added' === $_GET['update'] ) {
$messages[] = sprintf(
/* translators: 1: Dashboard URL, 2: Network admin edit URL. */
__( 'Site added. <a href="%1$s">Visit Dashboard</a> or <a href="%2$s">Edit Site</a>' ),
esc_url( get_admin_url( absint( $_GET['id'] ) ) ),
network_admin_url( 'site-info.php?id=' . absint( $_GET['id'] ) )
);
}
}
// Used in the HTML title tag.
$title = __( 'Add Site' );
$parent_file = 'sites.php';
wp_enqueue_script( 'user-suggest' );
require_once ABSPATH . 'wp-admin/admin-header.php';
?>
<div class="wrap">
<h1 id="add-new-site"><?php _e( 'Add Site' ); ?></h1>
<?php
if ( ! empty( $messages ) ) {
$notice_args = array(
'type' => 'success',
'dismissible' => true,
'id' => 'message',
);
foreach ( $messages as $msg ) {
wp_admin_notice( $msg, $notice_args );
}
}
?>
<p><?php echo wp_required_field_message(); ?></p>
<form method="post" enctype="multipart/form-data" action="<?php echo esc_url( network_admin_url( 'site-new.php?action=add-site' ) ); ?>" novalidate="novalidate">
<?php wp_nonce_field( 'add-blog', '_wpnonce_add-blog' ); ?>
<table class="form-table" role="presentation">
<tr class="form-field form-required">
<th scope="row">
<label for="site-address">
<?php
_e( 'Site Address (URL)' );
echo ' ' . wp_required_field_indicator();
?>
</label>
</th>
<td>
<span class="code">
<?php if ( is_subdomain_install() ) : ?>
<input name="blog[domain]" type="text" class="regular-text code" id="site-address" aria-describedby="site-address-desc" autocapitalize="none" autocorrect="off" required /><!--
--><code class="no-break"><?php echo esc_html( '.' . preg_replace( '|^www\.|', '', get_network()->domain ) ); ?></code>
<?php else : ?>
<code class="no-break"><?php echo esc_html( get_network()->domain . get_network()->path ); ?></code><!--
--><input name="blog[domain]" type="text" class="regular-text code" id="site-address" aria-describedby="site-address-desc" autocapitalize="none" autocorrect="off" required />
<?php endif; ?>
</span>
<p class="description" id="site-address-desc">
<?php _e( 'Only lowercase letters (a-z), numbers, and hyphens are allowed.' ); ?>
</p>
</td>
</tr>
<tr class="form-field form-required">
<th scope="row">
<label for="site-title">
<?php
_e( 'Site Title' );
echo ' ' . wp_required_field_indicator();
?>
</label>
</th>
<td><input name="blog[title]" type="text" class="regular-text" id="site-title" required /></td>
</tr>
<?php
$languages = get_available_languages();
$translations = wp_get_available_translations();
if ( ! empty( $languages ) || ! empty( $translations ) ) :
?>
<tr class="form-field form-required">
<th scope="row"><label for="site-language"><?php _e( 'Site Language' ); ?></label></th>
<td>
<?php
// Network default.
$lang = get_site_option( 'WPLANG' );
// Use English if the default isn't available.
if ( ! in_array( $lang, $languages, true ) ) {
$lang = '';
}
wp_dropdown_languages(
array(
'name' => 'WPLANG',
'id' => 'site-language',
'selected' => $lang,
'languages' => $languages,
'translations' => $translations,
'show_available_translations' => current_user_can( 'install_languages' ) && wp_can_install_language_pack(),
)
);
?>
</td>
</tr>
<?php endif; // Languages. ?>
<tr class="form-field form-required">
<th scope="row">
<label for="admin-email">
<?php
_e( 'Admin Email' );
echo ' ' . wp_required_field_indicator();
?>
</label>
</th>
<td><input name="blog[email]" type="email" class="regular-text wp-suggest-user" id="admin-email" data-autocomplete-type="search" data-autocomplete-field="user_email" aria-describedby="site-admin-email" required /></td>
</tr>
<tr class="form-field">
<td colspan="2" class="td-full"><p id="site-admin-email"><?php _e( 'A new user will be created if the above email address is not in the database.' ); ?><br /><?php _e( 'The username and a link to set the password will be mailed to this email address.' ); ?></p></td>
</tr>
</table>
<?php
/**
* Fires at the end of the new site form in network admin.
*
* @since 4.5.0
*/
do_action( 'network_site_new_form' );
submit_button( __( 'Add Site' ), 'primary', 'add-site' );
?>
</form>
</div>
<?php
require_once ABSPATH . 'wp-admin/admin-footer.php';